<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<html>
  <body>
    <form action="show.jsp" method="post" name = "form">
         用户名:<input type="text" name = "username"><br>
         密码:<input type="password" name = "password"><br/>
         
    <input type="submit" name="submit" value="login">
    
    </form>
  </body>
</html>